22994227 has 4 divisors (see below), whose sum is σ = 23994000. Its totient is φ = 21994456.

The previous prime is 22994221. The next prime is 22994261. The reversal of 22994227 is 72249922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22994227 - 2⁷ = 22994099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22994221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499852 + ... + 499897.

It is an arithmetic number, because the mean of its divisors is an integer number (5998500).

Almost surely, 2^22994227 is an apocalyptic number.

22994227 is a deficient number, since it is larger than the sum of its proper divisors (999773).

22994227 is an equidigital number, since it uses as much as digits as its factorization.

22994227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999772.

The product of its digits is 36288, while the sum is 37.

The square root of 22994227 is about 4795.2296086840. The cubic root of 22994227 is about 284.3629023071.

The spelling of 22994227 in words is "twenty-two million, nine hundred ninety-four thousand, two hundred twenty-seven".